23
18. After 4-hours of operation, clean exhaust tailpipe
with clean-out brush provided with the unit.
19 After 8-hours of Operation:
(a) Remove spark plug and scrape loose carbon
in engine neck.
(b) Spark plug gap is .060 inches. Install hand
tight only with rubber O-ring installed on plug.
(c) Remove and clean formulation filter.
20. After 12 hours of operation:
(a) Check fuel filter located inside housing unit
near engine.
(b) Remove and clean formulation injection orifice
located in-line, midway under the exhaust
tube. Use aerosol carburetor cleaner or
approved solvent.
21. Always remove batteries prior to storage.
22. After cooling down with a general purpose cleaner
(i.e., Spray On-Wipe Off or equivalent), wash off
exterior of machine.
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